Unitree go2: the new quadruped robot dog with advanced AI

July 9, 2024 by
Unitree go2: the new quadruped robot dog with advanced AI
Thomas Marechal

If You Love Dogs but Lack Time or Space, or Are Fascinated by Robotics and AI, the Unitree Go2 Will Surely Capture Your Attention. The new quadruped robot dog with advanced AI promises to be the ideal companion for those seeking intelligence and agility.

This article is your ultimate guide to discovering this revolutionary robot: from its unique features to its various applications, notable benefits, and how to acquire it.


What is the Unitree Go2?

The Unitree Go2 is a quadruped robot dog that combines biomimetics and artificial intelligence to offer an unprecedented intelligent robotics experience. Capable of moving with agility and autonomy on various terrains, it interacts with its environment and user while updating itself via a cloud connection.

This robot is the result of years of research and development by Unitree Robotics, a Chinese company committed to democratizing quadruped robotics.


Origins and Evolution

Unitree Robotics was founded in 2016 by Xing Wang, a graduate of Zhejiang University inspired by Boston Dynamics' BigDog robot. Wang began designing quadruped robots in his garage, aiming to make them accessible to the general public.

In 2017, he introduced the first prototype of the Unitree Go, weighing 35 kg and sold for $30,000. The following year, he unveiled the Unitree A1, a lighter (12 kg) and more affordable model ($10,000), capable of running at 3.3 m/s and carrying up to 5 kg. 2019 saw the arrival of the even more advanced Unitree Aliengo, capable of jumping 1.2 m and performing backflips. In 2020, the launch of the Unitree Go1 marked another step towards accessibility with a 15 kg robot for $2,700, reaching 4.5 m/s and overcoming obstacles of 15 cm. In 2021, the Unitree Go2 was announced, integrating a 4D lidar, intelligent lateral tracking system, and 4G connection.


Key Features and Specifications

The Unitree Go2 is available in three versions: AIR, PRO, and EDU, distinguished by their perception, control, and performance capabilities. Here’s a comparative table of their main features:


AIR

PRO

EDU

Dimension of standing

70x31x40cm

70x31x40cm

70x31x40cm

Dimension of crouching

76x31x20cm

76x31x20cm

76x31x20cm

Weight (with battery)

About 15kg

About 15kg

About 15kg

Material

Aluminium alloy +

High strength engineering plastic

Aluminium alloy +

High strength engineering plastic

Aluminium alloy +

High strength engineering plastic

Voltage

28V~33.6V

28V~33.6V

28V~33.6V

Working maximum power

About 3000W

About 3000W

About 3000W

Payload

≈7kg

MAX ~ 10kg)

≈8kg

MAX ~ 10kg)

≈8kg

MAX ~ 12kg)

Speed

0 ~ 2.5m/s

0 ~ 3.5m/s

0 ~ 3.7m/s

(MAX ~ 5m/s)

Max Climb Drop Height

30°

40°

40°

Basic Computing Power


8-core High-

performance CPU

8-core High-

performance CPU

Max Joint Torque


About 45N.m

About 45N.m

Aluminum knee joint motor

12 set

12 set

12 set

Range of Motion 

body:-48~48°

thigh:-200°~90°

shank:-156°~-48°

body:-48~48°

thigh:-200°~90°

shank:-156°~-48°

body:-48~48°

thigh:-200°~90°

shank:-156°~-48°

Intra-joint circuit (knee)




Joint Heat Pipe Cooler




Super-wide-angle 3D LIDAR




Wireless Vector Positioning Tracking Module




HD Wide-angle Camera




Foot-end force sensor




Basic Action




Auto-scaling strap




Upgraded Intelligent OTA




RTT 2.0 Pictures Transaction




Graphical programme




Front lamp




WiFI6 with Dual-band




Bluetooth 5.2/4.2/2.1




4G module




Voice Function




ISS 2.0 Intelligent side-follow system




Intelligent detection and avoidance




Charging Pile Compatibility




Secondary development




Manual controller

optional

optional


High computing power module



NVIDIA Jetson Orin (optional)

Smart battery

standard

(8000mAh)

standard

(8000mAh)

long endurance

(15000mAh)

Battery life

About 1-2h

About 1-2h

About 2-4h

Charger

standard

(33.6V 3.5A)

standard

(33.6V 3.5A)

fast charge

(33.6V 9A)

Warranty period

6 months

12 months

12 months

Equipped with a 4D lidar L1 designed by Unitree Robotics, the Unitree Go2 can recognize its environment in 360°x90° with minimal blind spots and detection accuracy up to 0.05 m, allowing for all-terrain perception and obstacle avoidance with ease.

It also features an intelligent lateral tracking system ISS 2.0, using wireless positioning and vector control technology for improved user tracking with smoothness and safety, with a remote control distance of over 30 m. Its 4G connection and integrated eSIM allow it to connect to the cloud and receive OTA (Over The Air) updates, enabling continuous improvement and evolution. Its high-capacity battery offers 2 to 4 hours of autonomy, varying by model and usage.


Artificial Intelligence at the Core of the Unitree Go2

The Unitree Go2 transcends the traditional notion of a robot dog to become an intelligent robotic entity with artificial intelligence. This technology gives it advanced cognitive and perceptive abilities, allowing it to recognize objects, people, and sounds, and interact intuitively with its user and environment.

This intelligence enables it to learn from its experiences and adapt to changes, perfectly illustrating the integration of artificial intelligence in the Unitree Go2.


Cognitive Abilities and Environmental Perception

The Unitree Go2 is equipped with a 4D lidar L1, offering a panoramic vision of 360°x90°, with minimal blind spots and detection accuracy from 0.05 m. This capability allows it to perceive all terrains and effectively avoid obstacles. Thanks to the intelligent lateral tracking system ISS 2.0, which relies on wireless positioning and vector control technology, the robot benefits from improved positioning accuracy by 50% and can be remotely controlled over more than 30 m.


Machine Learning and Adaptation

Far from being a static robot, the Unitree Go2 is designed to learn and evolve. Equipped with a 4G connection and integrated eSIM, it connects to the cloud for OTA (Over The Air) updates, benefiting from the latest innovations in artificial intelligence and robotics.

It learns from its own experiences and those of other similar robots, thanks to a data and knowledge sharing system, allowing it to adapt to new situations and user needs.


Design and Mechanics: A Fusion of Form and Function

The Unitree Go2 is a quadruped robot dog that combines an elegant design with robust mechanics. Inspired by nature and biomimetics, it represents a significant advance in the field of robotics. It stands out for its stability, mobility, and versatility, surpassing bipedal or wheeled robots.

It benefits from technical innovations and the use of quality materials, offering unprecedented performance and durability. Let's explore how design and mechanics intertwine harmoniously in the Unitree Go2.


Quadruped Design and Advantages

The Unitree Go2 adopts a quadruped design, giving it remarkable agility and autonomy on various terrains. With its four articulated legs, each equipped with three motors and three joints, it enjoys exceptional freedom of movement, allowing it to adopt multiple poses.

Capable of running, jumping, crouching, getting up, and even performing acrobatics, it can also overcome obstacles, climb and descend stairs, easily adapting to slopes and ground irregularities. Its stability, mobility, and versatility make it superior to bipedal or wheeled robots, enabling it to adapt to various applications and environments.


Technical Innovations and Materials Used

The Unitree Go2 incorporates technical innovations and is made with quality materials, ensuring optimal performance and durability. Equipped with 12 aluminum knee joint motors, it benefits from high power and speed.

With a maximum torque of 45 N.m, it can carry a payload of 8 to 12 kg, depending on the model. It is also equipped with an intra-joint circuit and a heat pipe cooler, optimizing temperature management and preventing overheating.

Built from aluminum alloy and high-strength engineering plastic, it combines lightness and strength. Weighing about 15 kg, it is easy to transport and handle. Its resistance to shocks, water, and dust makes it ideal for the most demanding conditions.


Practical Applications of the Unitree Go2

The Unitree Go2, a quadruped robot dog, proves to be a versatile tool with various applications. Whether as a companion within the home, a resource in the industrial sector, a research assistant, or a key player in rescue missions, this innovative robot can enrich users' lives by bringing joy, security, efficiency, and innovation.

Let's explore the various ways the Unitree Go2 can integrate into domestic spaces, contribute to industry and research, and play a vital role in rescue operations.


Domestic Environment Use

As a domestic companion, the Unitree Go2 can establish dynamic interaction with users, offering companionship, entertainment, and assistance.

In addition to entertaining with jokes or stories and playing with users, it can help with household tasks, such as carrying objects, monitoring the house, or even contacting emergency services in case of need. Its potential as an educational tool is also remarkable, introducing children to robotics and artificial intelligence through an accessible programming interface, thus stimulating their creativity and curiosity.


Potential in Industry and Research

In industrial environments, the Unitree Go2 stands out as a tool capable of improving productivity, safety, and work quality. Its ability to navigate various terrains allows it to access hazardous or hard-to-reach areas and transport loads of 8 to 12 kg depending on the model. Equipped with various accessories like a robotic arm or a camera, it excels in specific tasks such as handling, inspection, and measurement, finding its place in sectors such as construction, agriculture, logistics, and security.

As a research assistant, it opens new avenues for scientific and technological advancement, serving as a testing or simulation platform for projects in robotics, artificial intelligence, and beyond, in disciplines as varied as medicine, biology, or sociology.


Contributions to Rescue and Emergency Operations

In emergency situations, the Unitree Go2 becomes an autonomous rescuer, capable of navigating complex terrains to reach disaster or dangerous areas. Its 4D lidar L1 system gives it 360° perception, allowing it to detect victims and avoid obstacles. It can effectively communicate with rescue teams via a 4G connection and integrated eSIM, transmitting vital data and images. Equipped with specific accessories like a defibrillator or first aid kit, it can provide immediate assistance in disasters such as fires, earthquakes, floods, or attacks.


Comparison with Previous Generations and Competitors

The Unitree Go2 represents the pinnacle of quadruped robot dogs developed by Unitree Robotics. It stands out from its predecessors and rivals with improved performance, innovative features, and an attractive price-performance ratio. This model marks a turning point in the quadruped robotics sector by aiming for greater accessibility, intelligence, and utility.

Let's take a closer look at how the Unitree Go2 stands out from previous generations and the competition.


Improvements Over the Unitree Go1 Model

The Unitree Go2, the successor to the Unitree Go1 launched in 2020, shows notable advancements in both hardware and software:

  • It is equipped with a 4D lidar L1 providing 360°x90° vision, significantly reducing blind spots and allowing for minimum detection of 0.05 m, unlike the Unitree Go1, which had a simple 2D camera limited to 120°x60° vision.
  • Thanks to the ISS 2.0 intelligent lateral tracking system, the Go2 benefits from improved wireless positioning and vector control by 50%, with a range of over 30 m, far surpassing the capabilities of the Go1.
  • With a 4G connection and integrated eSIM, it connects to the cloud for OTA (Over The Air) updates, learns from its experiences and those of other robots, positioning the Go2 at the forefront of technological evolution unlike the Go1.

These improvements illustrate the more efficient, intelligent, and evolving nature of the Unitree Go2 compared to the Unitree Go1.


Unitree Go2 Versus Other Robot Dogs on the Market

The market for quadruped robot dogs is competitive, yet the Unitree Go2 stands out:

  • It is the most affordable, with a price ranging from $1,600 to $3,500, making cutting-edge technology accessible to the general public, unlike models like Boston Dynamics' Spot or Unitree Robotics' Laikago, which are significantly more expensive.
  • With a top speed of 5 m/s, the Go2 proves to be the fastest quadruped robot dog on the market, surpassing Spot, Laikago, and ANYmal by ANYbotics in agility.
  • The Go2 shines with its superior intelligence, thanks to GPT technology, a large knowledge base, and the ability to learn from its experiences and those of other robots, placing it ahead of its competitors in terms of cognitive and interaction capabilities.

In summary, the Unitree Go2 stands out as a more intelligent, connected, and evolving quadruped robot dog compared to its competitors.


Different Versions and Purchase Options

The Unitree Go2, a quadruped robot dog, is offered in three main variants: AIR, PRO, and EDU. These models differ in their perception, control, and performance capabilities. Additionally, a range of accessories is available to customize and enhance the user experience. Compared to its competitors, the Unitree Go2 is advantageously positioned in terms of price-performance ratio.

You can acquire the Unitree Go2 directly online via the official Unitree Robotics website or through authorized resellers. Let’s explore the different versions, available accessories, financial considerations, and availability of this innovative robot.


Variants and Available Accessories

The three versions of the Unitree Go2, AIR, PRO, and EDU, offer progressive levels of perception, control, and performance. The AIR version, ideal for domestic or recreational use, offers basic functionalities. The PRO version, intended for professional or scientific use, maximizes perception and control, and offers optimal performance. The EDU version, specifically designed for education, provides a graphical programming interface to effectively introduce children to robotics and artificial intelligence, while offering similar performance and capabilities to the PRO version.

Available accessories, such as a robotic arm, camera, sensor, or voice function module, enrich the robot’s usage possibilities. Additional batteries and fast chargers are also offered to optimize the Unitree Go2’s autonomy and recharging efficiency.


Financial Considerations and Availability

The cost of the Unitree Go2 ranges from $1,600 to $3,500 depending on the model, making it an economically attractive option compared to alternatives such as Boston Dynamics' Spot or Unitree Robotics' Laikago. This financial accessibility, combined with superior performance, makes the Unitree Go2 a preferred choice for a wide range of users.

Available for purchase online on the official Unitree Robotics website or through authorized resellers, the Unitree Go2 can be customized at the time of order in terms of model and accessories. Applicable shipping fees and taxes are to be expected. For specific inquiries or more information, Unitree Robotics remains at your disposal to provide personalized quotes and expert advice.


Future Prospects and Updates

The Unitree Go2 quadruped robot dog continues to improve, increasingly meeting user expectations. It benefits from the latest innovations in artificial intelligence and robotics, enriched by its ability to connect to the cloud and perform OTA (Over The Air) updates. Its active and engaged user community plays a crucial role in sharing experiences, ideas, and projects, thus enriching the ecosystem around the robot.

High-quality technical and commercial support is also available, ensuring follow-up, maintenance, and customer satisfaction. Let’s explore upcoming innovations for the Unitree Go2, as well as ongoing support from its community and customer service.


Expected Innovations and Continuous Development

At the heart of innovation, the Unitree Go2 incorporates GPT technology, giving it impressive linguistic capabilities and a vast knowledge base. This ability allows it to understand user intentions and better interact with its environment. Thanks to its advanced technology, it can identify objects, people, and sounds, and react accordingly.

This robot dog can communicate via voice, thanks to its voice function module. The 4G connectivity and integrated eSIM allow it to stay connected to the cloud, facilitating OTA updates. This connectivity offers access to the latest advancements in AI and robotics while allowing it to learn from its experiences and those of other robots through a data-sharing system.

The Unitree Go2 adapts to changes and user needs, adjusting its behavior, personality, and preferences. It can also develop new skills and functions, responding to user demands and new possibilities offered by its hardware.

Upcoming innovations include the integration of GPT-4 technology, further enhancing its linguistic capabilities, the addition of new accessories such as an automatic charging station or a backpack for carrying objects, and the optimization of its performance, safety, and stability.


User Community and Support

The Unitree Go2 user community is an essential pillar, actively sharing experiences, ideas, and projects on various online platforms such as forums, blogs, social networks, or dedicated sites. Events like contests and exhibitions offer opportunities for meeting, learning, and entertainment around the robot.

Initiatives led by associations, clubs, schools, or companies encourage engagement, training, and employment around the Unitree Go2, contributing to a dynamic, innovative, and supportive community. High-quality technical and commercial support ensures follow-up, maintenance, and customer satisfaction through responsive customer service, efficient technical service, and commercial service offering personalized offers and promotions.


Conclusion

The Unitree Go2 is a quadruped robot dog with advanced artificial intelligence, offering countless possibilities in terms of usage, customization, and evolution. Its sophisticated design combined with solid mechanics ensures excellent stability, unparalleled mobility, and remarkable versatility.

This robot integrates artificial intelligence, allowing it to recognize, understand, and communicate effectively with the user and its environment. Thanks to its cloud connectivity, it benefits from the latest technological advancements and adapts perfectly to user requirements.

Available in three versions: AIR, PRO, and EDU, each offering different levels of perception, control, and performance. The Unitree Go2 stands out for its excellent price-performance ratio, making it accessible to a wide audience. It enjoys the support of a dynamic and engaged user community, ready to share experiences, ideas, and projects around the robot.

High-quality technical and commercial support is also available, ensuring effective follow-up, adequate maintenance, and total customer satisfaction. If the Unitree Go2 captures your interest, do not hesitate to visit the official Unitree Robotics website or contact customer service for more information or to place an order. You won’t be disappointed!


Unitree go2: the new quadruped robot dog with advanced AI
Thomas Marechal July 9, 2024
Share this post